Seiko Cal. 4447 - 821

Released in 1970, the Cal. 4447 with design code 821 was part of Seiko's domestic market collection. It features a Cream dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-0fc5ca980f29]

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

40mm

Case Thickness

9.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

80m

Dial Color

Cream

Jewels

19j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1970

Related Models

• Seiko 6312-235
• Seiko 5645-265
• Seiko 7146-354
• Seiko 6287-294
• Seiko 5231-391
• Seiko 3879-244
• Seiko 3870-171
• Seiko 6686-300
• Seiko 7015-960
• Seiko 6187-842
• Seiko 5688-314
• Seiko 5296-677